CEL - P0173, P0170

My 01 ML430 recently posted a CEL, and I was able to pull a P0173 and a P0170. There are quite a few posts in this forum covering this topic, and I've tried to gleam what I could from my fellow ML owners. So far, I've tried the following: vacuum leaks: I tried the process described by 43sqd of using brake cleaner around the intake area. Had a change in idle speed when I sprayed near the brake booster vacuum hose. The hose had some play in it, so I taped it up as a temporary solution to... CEL - P0173, P0170

My 01 ML430 recently posted a CEL, and I was able to pull a P0173 and a P0170.

There are quite a few posts in this forum covering this topic, and I've tried to gleam what I could from my fellow ML owners. So far, I've tried the following:

vacuum leaks:
I tried the process described by 43sqd of using brake cleaner around the intake area. Had a change in idle speed when I sprayed near the brake booster vacuum hose. The hose had some play in it, so I taped it up as a temporary solution to...

CEL - P0173, P0170

---------------------------------------------------------------------------
Visit this link to stop these emails: https://zpr.io/t5iAW